4. How are distance, time and speed of a moving object related to each other?
5. A fish swims across the width of an 18 m wide river in 6 s. What is the speed of the fish?
Answers
Answered by
1
Explanation:
The rate of change of distance with respect to time is known as speed .
Let the distance be d , the time be t a d the speed be s
s = d / t
d = 18m , t = 6s
s = d/t = 18/6 = 3m/s
Answered by
0
Answer:
correct answer is D.
Time for trip on one sides
width=1km
T=
speed
width
=
5
2
−3
2
1
=
16
1
=
4
1
=0.25km/h
total time for round trip
T=2t
=2×0.25
=0.5hours
=30minutes
Explanation:
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